In the not too distant future, a very smoggy and overpopulated Earth government makes it illegal to have children for a generation. One couple, unsatisfied with their substitute robot baby, breaks the rules and gets in a lot of trouble. (Z.P.G. stands for Zero Population Growth).
19世纪70年代,一位年轻的阿比盖尔弓箭手独自一人在蒙大拿州的冬天为自己的生存而战,并从一群嗜血的土匪手中夺回了自己的一匹家马